Home » Freebies » Free Food Samples » Emergen-C Free SampleEmergen-C Free Sample Sarah / July 15, 2019 / Free Food Samples Fill out a short form to score a Emergen-C free sample. These packets contains vitamin C, vitamin D, probiotics, hydrates and energy etc. It supports your immune system. Take it and stay healthy. U.S. Residents Only. Get a Free Sample! Tell us the offer has expired... Do you want to let us know that this offer has been expired?